v3.19.1

CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Common Stock, Value	$ 1,427	$ 1,412
Common Class A [Member]
Class of Stock [Line Items]
Common Stock, Value	1,387	1,372
Common Class B [Member]
Class of Stock [Line Items]
Common Stock, Value	40	40
Common Class C Member
Class of Stock [Line Items]
Common Stock, Value	$ 0	$ 0

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+ References

No definition available.

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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